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TP27AL0: Manganite
Spheroidal growth of platy Manganite crystals, very sharp and with great luster.
The specimen is from the Desmond Sacco collection, whose label we will send to the buyer.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (2002)
Specimen size: 4.6 × 3.9 × 2.5 cm = 1.81” × 1.54” × 0.98”
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VG97AE5: Manganite
Druse of Manganite crystals with a thin flattened prismatic shape, some of them doubly terminated, with parallel growths, extraordinarily bright and on matrix.
The sample is from the Desmond Sacco collection, who's label we’ll send to the buyer.
N'Chwaning I Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (±1952)
Specimen size: 5.4 × 3.4 × 3.2 cm = 2.13” × 1.34” × 1.26”

Main crystal size: 0.3 × 0.1 cm = 0.12” × 0.04”
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DT68AG4: Manganite
Very aerial growth of divergent Manganite crystals that are very bright and have very well defined faces and edges with perfect terminations. The sample is with a label of the Mineralogisches Institut at Bonn that we’ll send to the buyer.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany
Specimen size: 4.8 × 3.4 × 1.9 cm = 1.89” × 1.34” × 0.75”
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EG67AL0: Manganite
Group of crystals, one of them clearly dominant, with sharp faces and edges and fine parallel growths. An excellent German classic of great quality with an outstanding main crystal.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany
Specimen size: 5.7 × 4.1 × 3.4 cm = 2.24” × 1.61” × 1.34”

Main crystal size: 2.6 × 1.6 cm = 1.02” × 0.63”
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VA71Z3: Manganite
Druse-like growth of very well defined crystals with simple forms and extraordinarily bright. A Manganite sample from a little known Canadian locality, unusual in mineral collecting for an obscure locality to produce a great quality sample. The crystals have been analyzed and we’ll send a copy of the analysis to the buyer.
Caland Pit, Steep Rock Lake area, Atikokan, Rainy River District, Ontario  Canada (±1978)
Specimen size: 9 × 7.5 × 4.4 cm = 3.54” × 2.95” × 1.73”
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TM27H9: Manganite
A classic. Group of divergent prismatic crystals, very bright and with excellent terminations.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany
Specimen size: 3.6 × 1.8 × 1.8 cm = 1.42” × 0.71” × 0.71”
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AE98M6: Manganite
Group of aerial and very well defined crystals with multiple terminations. They are very bright and on a Calcite matrix. A classic-classic.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany
Specimen size: 4.8 × 4 × 3.9 cm = 1.89” × 1.57” × 1.54”
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AT92N2: Manganite
Group of very bright, well defined crystals with bright perfect terminations. The sample is a good representative of one of the great classics of European mineralogy.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany
Specimen size: 6.3 × 4.5 × 3.5 cm = 2.48” × 1.77” × 1.38”

Main crystal size: 1.7 × 0.9 cm = 0.67” × 0.35”
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XM70TT: Manganite on Quartz
Group of Manganite crystals, some of them doubly terminated, with very well defined faces and edges, excellent terminations, lustrous, and partially covered by Quartz. The specimen is from the most classic locality for the species.
Ilfeld, Nordhausen, Nordhausen District, Thuringia/Thüringen  Germany
Specimen size: 2.6 × 2.3 × 1.7 cm = 1.02” × 0.91” × 0.67”
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TP16F0: Manganite with Quartz
Excellent specimen for a locality that is not well known for this mineral. The crystals are very brilliant and prismatic, and appear cylindrical as they have formed by the parallel growth of many needles, which gives them fine markings. At the ends they have pinacoid terminations that are not continuous due to the way they formed. Very good contrast with the Quartz.
Caland Pit, Steep Rock Lake area, Atikokan, Rainy River District, Ontario  Canada
Specimen size: 4 × 2.7 × 2.5 cm = 1.57” × 1.06” × 0.98”

Main crystal size: 1.1 × 0.8 cm = 0.43” × 0.31”
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TB96H7: Manganoan Calcite with Pyrite
Bundles of scalenohedral, extraordinarily acute, crystals. Furthermore the esthetic shape of the specimen, the color and the luster are very good and the group is on a matrix rich of small crystals of Pyrite.
Pachapaqui mining district, Pachapaqui, Aquia District, Bolognesi Province, Ancash Department  Peru (2003)
Specimen size: 8.8 × 8 × 2.9 cm = 3.46” × 3.15” × 1.14”
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NF48M6: Manganoan Smithsonite
Group of sharp, very well defined, rhombohedral crystals with excellent luster and transparency. The color is very intense and they are on matrix.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 5.5 × 3.5 × 2 cm = 2.17” × 1.38” × 0.79”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”
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17EH11: Marcasita
Floater aerial aggregate of small, extraordinarily lustrous Marcasite crystals with very sharp 'sperkise-type' twinning. The specimen comes from the prolific Bou Nahas Mine in Morocco, a polymetallic hydrothermal deposit developed along faults and fractures where a variety of sulphides have been deposited, including Marcasite.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2020)
Specimen size: 5.6 × 4.5 × 2.9 cm = 2.20” × 1.77” × 1.14”
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EQ14AM3: Marcasite
Floater aggregate of small Marcasite crystals with the twin law known as "sperkise", very sharp, and with extraordinary luster. This specimen clearly preserves cavities with the geometric shapes of vanished crystals, probably Baryte.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2020)
Specimen size: 9.8 × 7.9 × 3.8 cm = 3.86” × 3.11” × 1.50”
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TY16AN1: Marcasite
Parallel growths of sharp Marcasite crystals, clearly twinned, with bright luster, iridescent and in perfect condition. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Melanson collection.
Komořany (Most), Most District, Ústí nad Labem Region  Czech Republic
Specimen size: 3 × 2 × 0.8 cm = 1.18” × 0.79” × 0.31”
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MT66AI5: Marcasite
Very aerial floater group of sharp and flattened Marcasite crystals forming very well defined brass colored parallel growths that are extraordinarily bright.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (06/2018)
Specimen size: 7.8 × 3.2 × 2.1 cm = 3.07” × 1.26” × 0.83”

Main crystal size: 1 × 0.5 cm = 0.39” × 0.20”
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JFD64AN9: Marcasite
The Bou Nahas mine exploded onto the world collecting scene relatively recently. This Marcasite is phenomenal, with a multitude of crystals, all with Sperkise twinning, which are grouped together forming a very sharp and aesthetic elongated column. Since the mine started operating not many years ago, it is not yet possible to know for certain how well these marcasites will be preserved, but at the moment they do not seem to show signs of decomposition. This piece was published in Lapis magazine, 03/2014, page 26, and in the book 'La Guide des Passionnés' by Julien Lebocey (Le Règne Minéral) on page 103
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (07/2014)
Specimen size: 14.4 × 2.3 × 2.1 cm = 5.67” × 0.91” × 0.83”
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TY37AB2: Marcasite
A novelty at Tucson 2015. Very fine radiating growths of Marcasite crystals that are extraordinarily sharp, miter-shaped, very bright and are with small laminar and transparent Baryte crystals.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (07/2014)
Specimen size: 6 × 4.4 × 3.5 cm = 2.36” × 1.73” × 1.38”
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MC64Y9: Marcasite
Very sharp "cockscomb” shaped Marcasite crystals with very well defined faces and edges. They are bright and are on a rocky matrix. The Marcasite crystals retain a very good condition despite more than a half century has passed since was collected from a locality that is rarely represented in mineral collections.
Christiane Mine, Adorf, Diemelsee, Waldeck-Frankenberg District, Hesse/Hessen  Germany (±1950)
Specimen size: 7.5 × 4.5 × 3.7 cm = 2.95” × 1.77” × 1.46”
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EG87AM6: Marcasite (Sperkise twinn) with Pyrite
Large very aerial aggregate of extraordinarily sharp Marcasite crystals, with the classic twin known as “sperkise” or “en miter”, very lustrous, with small Pyrite crystals.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2020)
Specimen size: 20.1 × 12.7 × 9.9 cm = 7.91” × 5.00” × 3.90”

Main crystal size: 1.5 × 1 cm = 0.59” × 0.39”
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TC180EMX: Marcasite on Quartz
Group of very sharp Marcasite crystals, with sharp shiny twins, on a Quartz matrix.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2018)
Specimen size: 13.4 × 9.8 × 3.7 cm = 5.28” × 3.86” × 1.46”
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JFD154AO7: Marcasite with Arsenopyrite and Calcite-Dolomite
A classic from Panasqueira: large sharp crystals of Marcasite, in 'cock's comb' habit, with some Arsenopyrite, and associated with carbonates (Calcite-Dolomite in this case) which very possibly contributes to making them more stable than those from other deposits.
Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1993)
Specimen size: 10.4 × 7.1 × 5.1 cm = 4.09” × 2.80” × 2.01”

Main crystal size: 1.9 × 1.8 cm = 0.75” × 0.71”
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EC96AG3: Marcasite with Barite, Pyrite and Quartz
Very aerial aggregate of very sharp Marcasite crystals that are bright, with very well defined faces and edges, and on Quartz matrix, with cubic Pyrite crystals and “book-like” aggregates of laminar and bright Baryte crystals.
Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region  Morocco (2016)
Specimen size: 11 × 5.7 × 8 cm = 4.33” × 2.24” × 3.15”
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CV13AH6: Marcasite with Calcite
Cookscomb-like aggregates of flattened Marcasite crystals with very well defined faces and edges. The Marcasite, even considering the long time passed, has been perfectly preserved.
Eugenia Mine, Bellmunt del Priorat, Comarca Priorat, Tarragona, Catalonia / Catalunya  Spain
Specimen size: 3.2 × 3.2 × 2.2 cm = 1.26” × 1.26” × 0.87”

Main crystal size: 1.3 × 0.7 cm = 0.51” × 0.28”
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ST86AJ5: Marcasite with Calcite-Dolomite and Chalcopyrite
Very sharp “cockscomb-like” aggregates of Marcasite crystals that are very bright and on a matrix of massive Chalcopyrite with white growths of Calcite-Dolomite crystals.
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal
Specimen size: 11.2 × 7.8 × 3.6 cm = 4.41” × 3.07” × 1.42”

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